Precision-engineered with the details in mind, the Shure Aonic Free true wireless sound isolating earphones feature big sound in a small package, engineered by Shure from decades of experience developing products for music legends and performers of all kinds. Naturally blocks up to 37dB of noise to eliminate distractions noise and eliminates distractions so you can enjoy the most immersive listening experience no matter where you are - on the train, in the gym, at the airport, or at home. Featuring Bluetooth 5 wireless technology for enhanced stability and a range of up to 30 feet (10 meters), it pairs to phones, tablets and laptops for music and calls. A sleek, true wireless design provides a comfortable, ergonomic fit with easily accessible button controls for seamless listening, enjoy secure fit in a hook-free form factor that stays comfortably in place all day. Durable quality that withstands sweat and designed to pass rigorous quality and durability testing or long-lasting endurance. The slim, flip-top carrying case with up to 21 hours of battery life make these the perfect companion for wherever the day takes you. True wireless freedom that fits in your pocket.